apeiros_ changed the topic of #ruby to: programming language || ruby-lang.org || Paste >3 lines of text in http://pastie.org || Rails is in #rubyonrails
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<thisisme11> ...
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<evilgeenius> Is there an accessor class function, such as attr_accessor, that can create a variable that can only be accessed from within the object?
<fowl> attr_accessor :x ; private :x, :x=
<fowl> you could write a method to do that and call it i_love_fowl
<dbgster> when you have 2 models that have has_and_belongs_to_many (both referencing each other), this means you can add to either models proxy class?
<evilgeenius> or :fowl_is_stalking_me_please_help
<fowl> ;)
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<fowl> dbgster: models and proxies are the worry of the proletariat. #rubyonrails
<dbgster> fowl: ?
<fowl> /join
<shevy> dbgster he says that the channel here is about ruby, not a specific framework like yuor question.
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<evilgeenius> fowl: What's the best way of doing that? or just using instance variables?
<evilgeenius> scrap the "or"
<fowl> evilgeenius: I have a small test for you to pass first. class Person; attr_writer :name; private :name=; end how would you call the name= method?
<evilgeenius> fowl: self.name =
<shevy> how would that even work man
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<evilgeenius> shevy: ?
<shevy> evilgeenius go show code that works
<shevy> "self.name =" does not work
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<evilgeenius> shevy: it does if there is a attr_writer
<shevy> did you test it at all?
<evilgeenius> shevy: yes, just now.
<shevy> k could you show me your code please?
<evilgeenius> it worked fine
<evilgeenius> run this : class Person; attr_writer :name; private :name=; def hi ; self.name="shit" ; end ; end ; p = Person.new ; p.hi
<banisterfiend> shevy: hey shevegen
<banisterfiend> evilgeenius: Yeah self.name= works even if it's private
<banisterfiend> evilgeenius: it's an exceptino to the rule
<banisterfiend> exception
<evilgeenius> banisterfiend: It doesn't matter if it's private because I'm using it inside the object.
<banisterfiend> evilgeenius: it does matter because you're accessing it through an explicit receiver
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<banisterfiend> evilgeenius: the access rules apply to explicit receivers :)
<banisterfiend> evilgeenius: try this: class Hello; attr_reader :name; private :name; def hi; self.name; end; end; Hello.new.hi
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<banisterfiend> [1] (pry) main: 0> class Hello; attr_reader :name; private :name; def hi; self.name; end; end; Hello.new.hi
<banisterfiend> NoMethodError: private method `name' called for #<Hello:0x0000010105f8a0>
<evilgeenius> banisterfiend: that's unexpected.
<banisterfiend> evilgeenius: no, it's expected when you understand that the access rules apply to explicit/implicit receivers
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<banisterfiend> evilgeenius: anyway what was your question
<evilgeenius> banisterfiend: Being able to access a method only from the outside is unusual.
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<fowl> sorry i stepped away
<evilgeenius> banisterfiend: it doesn't seem to go along with OO ideas
<banisterfiend> fowl: smoking to keep thin?
<banisterfiend> evilgeenius: what was your question anyway?
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<banisterfiend> evilgeenius: ping
<evilgeenius> banisterfiend: Whats the best way to access an instance variable from within a class that you don't want to be pubkic.
<evilgeenius> Just use @? or just create private accessors?
<banisterfiend> evilgeenius: it depends, do you always want just direct access to the ivar? or might you want more sophisticated access in the future?
<banisterfiend> evilgeenius: if all you want is direct access then use the @ivar
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<banisterfiend> evilgeenius: but the advantage in using a method instead is that if you later choose to extract another class out of your current one, it's trivial to make that accessor method delegate to the other class instance instead of the ivar in your class
<evilgeenius> yes good point
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<nesoi> hello, I have something like: start_time = Time.utc(2003); puts start_time; That prints out the date as expected. Then I have a database column called last_order_entered defined as type datetime. If I do Last_orders.create(:last_order_entered => start_time) and then retrieve it with start_time = Last_orders.first (there's only one record), and do puts start_time, I get #<Last_orders:0x1da02d0>. What am I doing wrong?
<evilgeenius> banisterfiend: so is it best to use attr_accessor :x and private :x, :x= or create the methods manually? whats normal?
<banisterfiend> evilgeenius: either is fine, they're equivalent actually. However, many people dont even bother to make things 'private' :)
<nesoi> any hints?
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<evilgeenius> nesoi: do puts start_time.last_order_entered
<evilgeenius> nesoi: start_time is a Last object, so you need to call the last_order_entered method on it
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<evilgeenius> nesoi: sorry, start_time is a Last_orders object.
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<evilgeenius> nesoi: sorted it?
<nesoi> evilgeenius : thanks, that worked!
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<nesoi> evilgeenius : so my next question is, any idea how to create a datetime in this format? 2009-04-01T23:48:34.000Z
<evilgeenius> nesoi: if you're using rails with ActiveRecord then it's quite strange that you have a Last_orders object.
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<evilgeenius> nesoi: you want to output to the screen in that format?
<nesoi> evilgeenius: I'm processing input data and want to be able to resume from where I let off
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<nesoi> no, that's how the data comes to me, so I need to either convert the Time.utc to that format, or convert that to Time
<nesoi> or can I do a string compare on dates in that format?
<evilgeenius> nesoi: You can use the strftime Time function to convert a Time to that output format. http://www.ruby-doc.org/core-1.9.3/Time.html#method-i-strftime
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<evilgeenius> nesoi: You could try using the Time.parse("2009-04-01T23:48:34.000Z") method to try converting the string into a Time object. Time.parse is in rails. Are you using rails?
<nesoi> no, but I could include that if I know what to require
<nesoi> or I could just store the string as a string and compare strings
<nesoi> could I compare them as strings? they should stort so that the later date is always greater no?
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<evilgeenius> nesoi: that method is in the activesupport gem
<nesoi> oh I included that
<nesoi> that worked!
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<evilgeenius> an alternative is to use regular expressions to extract the bits you need from the string and then pass it into Time.mktime(year, month, day, hour, minutes)
<evilgeenius> nesoi: Time.parse can give you unexpected results though. You should test it in edge cases if you're gona use it.
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<evilgeenius> nesoi: check that it's getting the month and days field the right way round
<nesoi> it is ATM... what if it wasn't?
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<magic_hat> Hi all. Can anyone think of how to write a regex that identifies a target phrase only if it's not enclosed by an anchor tag? this is killin' me!
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<evilgeenius> nesoi: then don't use it
<nesoi> :)
<evilgeenius> nesoi: I use regular expressions to extract fields from the time string. e.g. "2009-04-01T23:48:34.000Z".match(/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})/)
<nesoi> yeah, I have to learn regex. I never really got it
<evilgeenius> run this : match = "2009-04-01T23:48:34.000Z".match(/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})/) ; p match[1], match[2], match[3], match[4], match[5]
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<evilgeenius> nesoi: it's definately worth investing some time to learn them
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<nesoi> yeah, I know... but I'm trying to learn a bit of ruby first... :)
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<nesoi> nice
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<evilgeenius> nesoi: One key to appearing a better programmer than you really are is to know your libraries. Or even better, know how to find decent libraries. I always look here to find the best tools : https://www.ruby-toolbox.com/
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<arphen> anyone good with webdev?
<arphen> i'm having an issue with my own code and i'm too stupid to find it on google:
<arphen> does the occurence of "$(this).serialize();" imply that i'm using jquery code?
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<evilgeenius> arphen: Check http://lmgtfy.com/?q=Web+dav
<evilgeenius> Whats the best way to check if the class of an object has included a specific module?
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<evilgeenius> e.g. similar to : car.is_a? FourWheeler , but not quite..
<evilgeenius> Update... is_a? works fine
<banisterfiend> evilgeenius: yeah
<evilgeenius> arphen: yes
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<lukeholder> Anyone have a good resource on packaging a ruby app in a java stack?
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<evilgeenius> lukeholder: You know abuot jruby right?
<evilgeenius> about
<lukeholder> evilgeenius: Yes. Im looking for packaging it into a war or something
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<evilgeenius> i was about to suggest warbler
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<evilgeenius> There is also a glassfish gem that you might find useful
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<lukeholder> What's the diff?
<evilgeenius> lukeholder: I can't remember
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<evilgeenius> lukeholder: They are distinct in the way they work though
<lukeholder> Ok
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<arphen> evilgeenius, thing is i am not including jquery... is there any other context $(this).serialize() could work?
<evilgeenius> arphen: ask in the #jquery irc room
<arphen> also: do you feel cool using "lmgtf
<evilgeenius> arphen: no, i regretted it instantly
<arphen> you might as well have said nothing thank you
<evilgeenius> arphen: do you feel cool telling us you are too lazy to search google?
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<arphen> evilgeenius, i said i am too stupid to formulate a question
<arphen> how the hell do you google for "$(this)" without a billion irrelevant results
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<banisterfiend> evilgeenius: how come a genius cant spell 'genius' correctly
<banisterfiend> or are you an iconoclastic genius and play by your own rules? :P
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<evilgeenius> banisterfiend: You don't need rules where im going, and am.
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<banisterfiend> evilgeenius: mexico?
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<evilgeenius> banisterfiend: le'ts just say... I am the moon.
<evilgeenius> *let's
<banisterfiend> ah right
<banisterfiend> mental asylum ;)
<evilgeenius> Is it ok for a private method to call a public method?
<banisterfiend> evilgeenius: Yeah
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<_ack> Hello. sending mails using gmail's smtp servers can be done on ruby 1.9.3?
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<td123> smtp is a protocol independent of any language
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<_ack> td123, I know. The thing is ruby is throwing some errors with I try to send mails with Net::SMTP, complaining about STARTTLS. But when I do .enable_starttls It segfault.
<_ack> when*
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<td123> it segfaults? you need to file a bug
<_ack> yes. I will do that
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<banisterfiend> _ack: run it in gdb to find the place it's segfaulting
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<senthil> I'm getting TypeError:nil is not a symbol, no clue why https://gist.github.com/2144058
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<senthil> I don't think its rspec syntax, have used expect before with no error
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<maahes> I'm using rvm, and I'd like to not have to add each gem I use individually to my rc, for each different version of ruby. Is there a catchall command I can use?
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<senthil> Its not what's inside expect block either, same error for diff. body also
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<maahes> also, how do I add my system ruby into rvm as it's default? So I can switch back to it.
<senthil> rvm use system --default
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<NotreDev> is there a flag i can set to not return the result of my most recent command on irb? it's about to return a hell of a lot of data
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<banisterfiend> NotreDev: not in irb, but you can in pry
<banisterfiend> NotreDev: http://pry.github.com
<NotreDev> :(
<NotreDev> thanks
<banisterfiend> NotreDev: ok in irb you can do: expr ; nil
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<NotreDev> good call!
<NotreDev> cheers
<banisterfiend> np
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<shevy> irb should die
<banisterfiend> shevy: you still use it chevrolet
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<shevy> yeah
<shevy> it comes bundled with ruby after all :)
<shevy> save for debian
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<shevy> it's domination of the inferior
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<kah> does anyone have some suggestions for learning regular expressions??
<seanstickle> kah: the O'Reilly book on the subect
<seanstickle> *subject
<HINS> kah: The aho and ullman book, or something like that
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<kah> ok i'll look into those
<kah> thanks
<seanstickle> The classic
<HINS> kah: You'll need to learn automatons if you really want to understand regular expressions...
<kah> also, quick question, this isn't really the place but i don't know where else to go, when i go to log into IRC it mistakes my identify for kahuna and not kah, suggestions??
<seanstickle> And if you really want to understand automatons, you'll need to understand logic
<seanstickle> So read up on Aristotle too
<kah> i can do that
<seanstickle> Or, you could just take it one step at a time
<kah> what book would outline automatons?
<seanstickle> And read the Regex book
<kah> the mastering reg ex?
<seanstickle> Yeah
<kah> i just picked up a book called reg expressions in 10 mins
<kah> ill start with that
<kah> and then hit up your book
<kah> that you suggested
<seanstickle> Sounds like a plan
<seanstickle> Also, check out #regex, where all us regex folks hang out
<kah> ah nice
<kah> i will for sure
<kah> any idea how to solve my other problem w my irc identity?
<kah> maybe i'll just create a new one..
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<seanstickle> My knowledge of IRC extends to knowing how to type in stuff and hit enter
<seanstickle> You could try the #help channel
<kah> kk cool thanks
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<maahes> to include a gem dir in my source do I just have to do something like export PATH=$PATH:$HOME/rvm/path/to/particular/ruby/gem/dir/* for all subdirs?
<maahes> er, to include all subdirs
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<maahes> this: [[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function
<maahes> causes my shell to spit out: "string not in pwd: ../
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<maahes> "
* maahes watches the crickets.
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<lampe2> hey i generated a gem with bundler and now i wanne test the script how i do it?
<sandGorgon> lampe2: set your GEM_PATH and GEM_HOME to the path of the local gem and you can use your scripts
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<giurik> CiaO a TuTtO iL CHaN......... AVE Lux. 666
<giurik> ciao
<giurik> !list
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<acd> /mames
<acd> /names
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<acd> /names
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<maasha> Hello. I am playing with RubyInline. How can I raise my own errors and not ruby's? -> rb_raise(rb_eRuntimeError, "row out of range: %d >= %d\\n", row, rows);
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<nesoi> so if I have a hash where I need to sort at the 2nd level, what's the correct way? It's like response.orders and I want to sort each order by one of the many keys at that level. I tried response.orders.sort_by{ |orders| orders[:purchase_date] }; it doesn't complain but it also doesn't work
<apeiros_> nesoi: you know that sort_by does not do in-place sorting, but returns a new array, which is sorted?
<apeiros_> i.e., you must assign the result and use that
<maasha> sort_by!
<elhu> use sort_by! if you want to sort in place
<banisterfiend> maasha: get the constant
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<fowl> nesoi: hash.sort_by { |key, value| value[:purchase_data] } the
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<elhu> nesoi: as a general rule, methods aren't' performed in place but return a new instance, and methods finishing by ! are 'destructive', since they change the object the method is called on
<fowl> if it is |orders| I think they get sent as [key, value] so you'd use orders[1][:key]
<fowl> (i think)
<nesoi> elhu : so I need to do response.orders = response.orders.sort_by{ |orders| orders[:purchase_date] } ? (assuming that would be the right sort)
<nesoi> fowl I don't understand the value. I want to sort each record by that key descending
<maasha> banisterfiend: something like rb_const_get(MyError, "ID")
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<elhu> nesoi: yes, or simply response.orders.sort_by!{ |orders| orders[:purchase_date] }
<banister_> maasha: rb_raise(rb_eval_string("YourConst"), "baby")
<banister_> or rb_const_get if it's easy to access
<elhu> but, by any chance, is that an active record relationship ?
<nesoi> cool, thanks
<nesoi> no it's some structure returned by a library routine
<fowl> nesoi: {a: 10, b: 5, c: 2}.sort_by { |key, value| puts "#{key}: #{value}"; value }
<elhu> nesoi: ok, I would have told you to go check out scopes otherwise
<nesoi> fowl: there are lots of keys though, like 30
<nesoi> for each record
<maasha> banister_: I have a class MyError < StandardError; end - so I can use rb_const_get(MyError, "ID") - though I don't really know what to do with the "ID" part.
<fowl> nesoi: i'm just saying
<fowl> try that in irb, see the output
<fowl> then run {a: 10, b: 5, c: 2}.sort_by { |key| puts "#{key}"; key[1] }
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<banister_> maasha: rb_intern("YourConst")
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<nesoi> fowl : I don't understand the 1st one. what's the extra value at the end doing?
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<maasha> banister_: hm, not quite there -> rb_raise(rb_intern("MyError"), "raising my own error");
<fowl> nesoi: the value is what you're sorting by, silly
<banister_> maasha: bitch
<fowl> puts returns nil, it was just there to show you how the vars come in
<banister_> maasha: just use rb_eval_string
<banister_> maasha: rb_raise(rb_eval_string("YourConst"), "blegh")
<nesoi> oic
<fowl> nesoi: the sort only cares about the return value from the block so you could have other logic in there if you want, or rand(1000) or anything really
<maasha> banister_: right. that will do nicely. ty
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<fowl> banister_: you ever seen someone raise an exception like `raise SomeException.new("stupid reason")`
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<banister_> fowl: better to do: SomeException.exception("stupid reason") iirc
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<fowl> why not raise SomeException, 'blah'
<banister_> fowl: that works too, but #exception works with both classes and objects and it has the advantage in copying other exceptoin attributes (if it's an instance)
<banister_> iirc
<nesoi> fowl I'm still not quite getting it. those 2 sorts you posted didn't change the order, but if I do a = {a: 10, b: 5, c: 2}; a.sort_by {|a| a[1]} it does print it out in order by increasing value
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<fowl> nesoi: those two sorts i posted werent to fix your problem it was to explain how when you give th block 1 var you get [key, value] pairs ie [:a, 10], [:b, 5] which is why you use a[1] and not just a
<workmad3> fowl: I prefer hsh.sort_by {|k,v| v} personally
<fowl> workmad3: i pasted that too and he ignored it
<fowl> why try?
<workmad3> oh, didn't notice that :/
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<nesoi> hmm.. well response.orders.sort_by!{ |orders| orders[:purchase_date] } still isn't sorting it properly for some reason
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<nesoi> fowl what am I doing wrong?
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<lampe2> hey i created a gem with bundler and i added a new file into the projekt named sub folder of the lib folder. now i wanne require it into the app named rb in the lib folder but ruby says that he cant find it
<workmad3> lampe2: gist your code please
<eddie_> lampe2: did you mention the new file in gemspec ?
<lampe2> eddie_, no must i?
<eddie_> yes
<lampe2> is there a easy way or must i do it manual ?
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<luoluoluo> hi there, how to print multi stars on the screen. for example: print '*' * 50 will print a line with 50 stars
<lampe2> eddie_, if got this gem.files = `git ls-files`.split($\)
<eddie_> you want to print from left to right
<eddie_> ?
<eddie_> luoluolu: you want to print from left to right?
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<luoluoluo> eddie_: yes. I got it. I just made a mistake. thanks
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<lampe2> luoluoluo, just say after 10 stars /n for new line
<eddie_> luoluoluo: ok
<oposomme> hi I would like to know how do I mount a volume in ruby?
<luoluoluo> lampe2: thanks. I already got it.
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<eddie_> lampe2: try mentioning the straight away
<eddie_> :)
<eddie_> lampe2: Your gem?
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<lampe2> eddie_, "gem.files = `git ls-files`.split($\)" i thought that this will add everything from the git repo what i add to git but it dont work :(
<eddie_> lampe2: "gem.files = `git ls-files`.split($\)" . You checked what it gives
<eddie_> ?
<workmad3> lampe2: can you give the require line that's failing please?
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<lampe2> workmad3, require "lommongo/mdbConnect"
<lampe2> eddie_, this gives me all files what i added with "git add ."
<lampe2> okay i got it now it works :)
<eddie_> luoluoluo: was this your solution? http://pastie.org/private/p05tyaqdetqk2gxwqnpyag
<eddie_> lampe2: What was wrong?
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<lampe2> eddie_, i need to reinstall the gem properly on my locale maschine
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<eddie_> ok
<eddie_> i will tell you the steps
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<banisterfiend> k
<eddie_> lampe2: First make your final gem version
<Divinite> Sigh... Why is my Ruby using the wrong encoding?
<Divinite> It's using UTF-8
<eddie_> lampe2: after step 4 your gem will be insdtalled properly
<lampe2> thx eddie_
<eddie_> Divinite: UTF-8 must be the default one
<Divinite> But it says all my .gemspec's contain invalid characters...
<Divinite> Why?
<luoluoluo> eddie_: thanks. not what I want. I just want what "p '*' * 50" does.... I made a stupid mistake myself and figure it out right after I post the problem here.... Thanks for your kindness :D
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<eddie_> Divinite: gist of your gemspec
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<eddie_> lampe2: would like to see your gem. at rubygems.org
<Divinite> eddie_: Can't, I'm on iOS.
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<eddie_> Divinite: Does your spec look like this. It should. http://pastie.org/private/sfmid0vbuymnqul9emu2a
<Divinite> Something like that eddie_ ..
<eddie_> Divinite: Your ruby version?
<Divinite> 1.9.3
<Divinite> Unknown with -p
<eddie_> Divinite: Mine is the same i have no issues yet
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<lampe2> eddie_, one day it will be up there but not today i just started the development. this will be a implementation of the LOM standard from the IEEE to save the meta data in a mongodb :)
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<artm> anyone familiar with guard? is there some best practice for combining multiple change events into one? like when I "Save All" in the editor, I'd like make to be called only once
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<maasha> how are ruby arrays implemented? C arrays or list of lists sturcture?
<banisterfiend> maasha: C arrays
<maasha> banisterfiend: nice.
<eddie_> lampe2: great. Share your github if you dont mind
<Divinite> *sigh* Why is ruby so hard on iOS?
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<shevy> wat
<shevy> not harder than ur mom
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<Divinite> shevy: Was that necessary?
<shevy> for iOS sure
<banisterfiend> Divinite: was it necessary to call him up on it? #ruby is not a nun's convent
<Divinite> I know, but there was no need.
<Divinite> "Ur mum" jokes only work when it's funny banisterfiend. Otherwise its just rubbish.
<Mon_Ouie> jokes only work when it's funny too
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<banisterfiend> Divinite: it was harmless all the same
<Mon_Ouie> shevy: They changed their rules since then
<banisterfiend> Divinite: he's not obliged to be funny, and he wasn't offensive, he was just silly at best. No reason to call him up on it
<Divinite> I know, I know.
<Divinite> I wasn't biting, just wondering.
<Divinite> shevy: I'm jailbroken.
<shevy> hmm
<dominikh> all he contributes are bad and repeated urmom jokes and useless comments, so yeah, it starts to be pretty offensive
<shevy> "The Agreement about Apple not accepting any coding language layer has been removed not too long ago. I guess we will have to wait a little to see complex language like Python and Ruby interpreter. Since LUA is a scripting language, it is easier to port it."
<shevy> dominikh I like Divinite and his mom is actually nice, but you suck
<banisterfiend> dominikh: he's our poppavic ;)
<shevy> dominikh I wonder why you are obsessed with me though :>
<Divinite> I have Ruby, Python, Perl, Lua...
<Divinite> shevy: I'm a she, not a he.
<Divinite> Or a shehe.
<shevy> awww ok then indeed my joke was bad :(
<shevy> sorry
<Divinite> Don't worry shevy, I get that all the time on irc!
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<catphish> what's the class that makes a simple enum from a block?
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<Divinite> No idea.
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<artm> "scripting language" vs what?
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<Divinite> Nothing.
<Divinite> Binary.
<catphish> ah - Enumerator.new
<Divinite> catphish: What?
<catphish> it makes an enum instance from a block
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<catphish> eg: enum = Enumerator.new(&block); enum.each do |b|
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<banisterfiend> catphish: why do u want to do that, out of interest
<catphish> i can't remember now
<catphish> i did it ages ago
<banisterfiend> catphish: Enumerator.new is normally used for creating generators
<banisterfiend> so it's a bit weird to see you iterate over it with #each IMO
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<scalebyte> I have a serialized ruby hash which has array of hashes inside. I want to sanitize the values of these hashes.. any possible solutions ?
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<catphish> banisterfiend: my use case is hard to explain, basically i have a method that iterates over incoming data live, so it needs to be passed what looks like a generator so that code can be processed as it arrives
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<catphish> so my method calls .each, then the caller pushes data into it progressively
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<banisterfiend> catphish: ah ok
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<`brendan> morning folks
<artm> good midday
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<artm> internet English should evolve some longitude-agnostic greetings
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<workmad3> artm: you mean like 'hello' or 'hi'? :)
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<becom33> http://pastebin.com/R9n2zZJr why Base.name("para") doesn't work >
<becom33> ?
<artm> workmad3: yes, but starting with good
<artm> becom33: Base.name = "para"
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<artm> no, without Base
<artm> it's an instance method
<artm> ^ becom33
<becom33> why attr_reader insted of attr_accessor ?
<artm> why accessor if you declare the writer manually?
<Mon_Ouie> name = "foo" does not do what you think
<Mon_Ouie> It always sets a local variable name to "foo"
<Mon_Ouie> You need an explicit receiver if you want to call the method
<artm> Mon_Ouie: id does what becom33 programmed it to do
<Mon_Ouie> No, it does not call the Base#name= method
<Mon_Ouie> self.name = "foo" does
<Mon_Ouie> Otherwise it'd be impossible to create local variables at all
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<becom33> btw what I just wanna call a varibale which is in a another class ?
<artm> that's right
<artm> this one works
<Mon_Ouie> Instance variables don't depend on the class, they only depend on self
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<roolo> Does anybody have simple, no in-script solution for making https requests on 1.9.2 ?
<roolo> (homebrew as packaging system)
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<Mon_Ouie> Just Net::HTTP? (I'm not sure what you mean by "no in-script solution")
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<roolo> Everytime i make https request i get SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
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<roolo> I discovered it's some issue with how ruby is finding certificates, but all tutorials i found presume macports
<roolo> or recommend turning certificate verification off
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<Mon_Ouie> Doesn't that defeat the point of using SSL?
<senthil> roolo: Hitting Facebook Api by any chance?
<roolo> Mon_Ouie: Yes ;)
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<roolo> senthil: You mean if i am trying Facebook API?
<senthil> roolo: yes
<senthil> roolo: I run into SSL errors all the time with Fb
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<roolo> senthil: No, but you were close ;) I am trying Google Calendar api — https://developers.google.com/google-apps/calendar/setup
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<roolo> senthil: How did you solve that? Maybe the solution is similar
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<senthil> roolo: For Fb I think it was the 'www' endpoint causing the trouble
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<senthil> roolo: just a week back I was thinking about writing a wrapper for gcal
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<astrostl> non-ruby/rails dev debugging a rails setup. if i strace a Rack process (passenger) and it's returning literally nothing while chewing up cpu resources, is it dead? is this a common thing? (xpost from #rubyonrails, don't know if this is straight ruby-related or not)
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<jankud> Hi, I am trying to find (without any luck so far) if there is a mechanism in Ruby similar to writev() and readv() i.e. read/write from vector of buffers
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<maasha> I am building a bitarray with 3 rows and 21 columns encoded in a 8 byte string. Every new row starts at every 7 bits. How to get the sum of each row using a single pass iteration of the byte string?
<y3di> I know there are multiple resources for sending email with ruby, but does anyone have a suggestion of one, that they feel is the easiest to work with
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<canton7> y3di, Pony is recommended, and I've personally found it works well
<robkinyon> maasha: a quick googling returns http://www.freshports.org/math/ruby-bitvector
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<maasha> bitvector is 1D bitarrays. I want a 2D one... And how hard can it be! :o)
<robkinyon> a bit array is a bit vector
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<robkinyon> just add the column math yourself.
<robkinyon> bitarray[x][y] === bitvector[x*row_size+y]
<maasha> robkinyon: that is sort of what I am trying to do. I am just stuck where I want to count set bits 1 byte at a time instead of 1 bit at a time.
<robkinyon> "count set bits" means what in English?
<maasha> so for all rows, how many bits are set to 1.
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<robkinyon> so, you have a bitvector (or bit array, whatever) and you want to know how many of the 63 bits (3 rows x 21 columns) are 1 vs. 0 ?
<bonhoeffer> in a functional language like ruby -- objects still have persistent state -- how does this reconcile?
<bonhoeffer> or is ruby a mix of imperative and functional?
<robkinyon> bonhoeffer: ruby isn't a functional language, it's an OO language
<robkinyon> functional languages are things like scala, haskell, lisp, etc
<maasha> robkinyon: for each of the 3 rows, I want to know how many bits are set.
<roolo> How clean do you think is this(for dealing with https)? http://git.io/NwwcZA
<bonhoeffer> ok -- got it -- so how should i understand: Ruby supports multiple programming paradigms, including functional, object oriented, imperative and reflective.
<robkinyon> ruby is much close to eiffel or smalltalk
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<jcromartie> "a functional language like Ruby…" O_o
<robkinyon> bonhoeffer: because it does?
<bonhoeffer> so ruby can do a functional paradigm -- but you are really working objects
<jcromartie> I mean sure, as long as the only criteria is the ability to pass a closure
<jcromartie> mutability is every-frickin-where
<bonhoeffer> is the message receiver terminology unique to ruby?
<robkinyon> maasha: loop over the bits and count ?
<maasha> robkinyon: here is the code that does the sum of set bits for the entire bitarray: http://pastie.org/3641596
<robkinyon> bonhoeffer: Umm … no. that's standard OO terminology
<robkinyon> i believe it was coined that in the 1970's (1960's?) when Ada was created
<bonhoeffer> sorry, i'm an engineer, not a CS guy, but i'm writing the contracting request for some software
<workmad3> bonhoeffer: it's the original model for OO
<robkinyon> bonhoeffer: write requirements, not implementation details
<bonhoeffer> i code ruby by night, but i want the software to be developed to be flexible, and modular like a ruby app
<workmad3> bonhoeffer: there's also the C++/java style that I call 'method calling OO'
<robkinyon> make that a requiremen,t not the language
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<bonhoeffer> robkinyon: i'm trying to do that -- but want to understand flexibility as a requirement
<robkinyon> maasha: does that code work?
<bonhoeffer> i'm not specifying the language
<workmad3> bonhoeffer: define 'flexibility' ;)
<robkinyon> bonhoeffer: What does flexibility mean to you?
<maasha> robkinyon: it does actually
<robkinyon> maasha: so . . . why are you trying to change code that actually works?
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<bonhoeffer> robkinyon: it means that we can make the code do what we want -- in this case traverse multiple scales to answer questions at various levels of fidelity
<bonhoeffer> so we have multi-million lines of code now in big models that only a few people can run -- at one scale
<robkinyon> bonhoeffer: in other words, you want the unix toolchain
<bonhoeffer> they are run by hundreds of flat-text files -- in FORTRAN, etc
<maasha> robkinyon: I can loop over one bit at a time, but that takes 8 times as long
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<workmad3> maasha: so the code doesn't work because it fails your performance requirements
<robkinyon> maasha: there are some things that are appropriate to write in C and other things that are appropriate to write in Ruby.
<maasha> robkinyon: ah, that code bit makes a sum of the entirve bit array. I am trying to get it per row now.
<robkinyon> maasha: bit-twiddling is appropriate to write in C
<bonhoeffer> the flexibility i want is to maybe look at a few -on - few context -- then move to global objects
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<bonhoeffer> it is desiging the application (or collection of objects) for a scientist/coder, not a mechanic
<bonhoeffer> if that makes sense
<maasha> workmad3: I want the evil speed. Not evil speed / 8 :o)
<robkinyon> bonhoeffer: "flexibility" and "global objects" are archenemies. Think Joker and the Batman
<bonhoeffer> please explain
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<robkinyon> well, you still have defined flexibility
<robkinyon> haven't*
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<robkinyon> not in a way that's actionable
<workmad3> bonhoeffer: the larger the scope of something, the less amenable it is to change
<banisterfiend> bonhoeffer: the langage you're developing in is fortran?
<bonhoeffer> banisterfiend: trying to move away from fortran
<bonhoeffer> i'm the young guy around . . . secretly coding ruby by night
<robkinyon> bonhoeffer: you want the unix toolchain
<bonhoeffer> and now tasked with spending a million bucks to develop the future tool we should use
<robkinyon> go study why the unix toolchain is so successful and you will understand what flexibility means
<bonhoeffer> robkinyon: any links?
<workmad3> robkinyon: a.k.a. filters and pipes :)
<banisterfiend> bonhoeffer: you should probably be using python if you're doing scientific computing
<workmad3> (that's to bonhoeffer too btw)
<bonhoeffer> you mean bash?
<robkinyon> if you're confused, go read up on Netflix and the Chaos Monkey
<banisterfiend> bonhoeffer: if u want to replace python that is
<robkinyon> bonhoeffer: no … "the unix toolchain"
<banisterfiend> replace fortran*
<bonhoeffer> i think python might have a lot to leverage, SAGE, etc
<workmad3> robkinyon: or are you meaning the tools that you tend to get in unix?
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<robkinyon> bonhoeffer: i just gave you two google-able terms. Go forth and cogitate.
<robkinyon> workmad3: no. I said "the unix toolchain". it's a very specific term with a very specific meaning
* workmad3 googles
<robkinyon> "Each piece in the chain should do one thing, only one thing, and do it superlatively."
<robkinyon> "Each piece in the chain should be able to read STDIN for input and write to STDOUT for output"
<robkinyon> "Each piece must be hookable to each other piece"
<workmad3> robkinyon: ah, the filters and pipes approach, that was what I originally thought :)
<bonhoeffer> robkinyon: now i'm on to something
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<robkinyon> workmad3: it's much more than that. filters and pipes just covers "hookability"
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<robkinyon> the key for bonhoeffer is "one and only one thing done superlatively"
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<workmad3> robkinyon: true... and I know what you mean, I'm just in a brain-dead state today when it comes to expressing things... I should probably shut up :)
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<robkinyon> eh. that's why there's many of us - to work through exactly how to express something
<robkinyon> tomorrow, i will be braindead and you will be on your game
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<EvanR> its wednesday, its supposed to be the intersection of recovering from the weekend and winding in preparation for the weekend ! ;)
<EvanR> winding down
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<theRoUS> meh
<theRoUS> ruby 1.8.7.. is there any way to find out what action is the current handler for a specific signal *without* doing an 'x = Signal.trap(sig,'DEFAULT');Signal.trap(sig,x)' ?
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<bonhoeffer> robkinyon: so does abstraction provide flexibility
<bonhoeffer> we need to look over millions of scenarios and understand the flexbility and robustness of a collection of assets we invest in
<robkinyon> bonhoeffer: the *right* abstraction provides flexibility
<theRoUS> i want to know because SIGVTALRM can only have a trap set in a threaded environment; doing the trap/retrap throws an exception else
<robkinyon> the wrong abstractions . . . well, those we don't talk about
<bonhoeffer> ok -- I see what you are saying
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<robkinyon> bonhoeffer: often, too, we need multple layers of abstractions in order to get to the right point
<robkinyon> so, we write abstractions on top of abstractions
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<robkinyon> and that's okay
<bonhoeffer> so we are trying to write requirements that a contractor tells us their framework for solving this
<bonhoeffer> but we don't want another monster that you have to develop a career in to run
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<bonhoeffer> and in my line of work -- onerous code means you focus on running on the model, not the insight you get from it
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<robkinyon> bonhoeffer: let's take this to /msg - this isn't ruby-related
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<theRoUS> $ ruby -e 'Signal.trap("VTALRM", "IGNORE")'
<theRoUS> -e:1:in `trap': SIGVTALRM reserved for Thread; can't set handler (ArgumentError)
<theRoUS> from -e:1
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<minver> Can anyone refactor my code? http://is.gd/IhG5iT
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<alem0lars> I'm using YARD. I want to document my classes and methods using Textile. I tried both the command line argument --markup textile and including # @markup textile in the top of each file. However, it won't use Textile, but instead RDoc. How can I use Textile with YARD?
<alem0lars> Is it possible to change the markup format for the documentation (YARD) in source files?
<abstrakt> so I installed ruby 1.9.3-p0 from rvm, so I have the src folder, I just ran rdoc inside said folder because there don't appear to be any available downloads for the 1.9.3 documentation
<abstrakt> the documentation is split in to core and stdlib
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<abstrakt> after running rdoc in the 1.9.3-p0 source folder
<abstrakt> will that have generated all the docs for stdlib as well
<abstrakt> or will/does stdlib live in a different folder
<abstrakt> my guess would be that it does generate docs for stdlib, I just wanna double check here
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<shevy> I guess the guys on #rvm may know, as far as I understood it though they keep everything that belongs to a specific version of ruby in the same directory specific to that version
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<AxonetBE> Is it a good idea to use a json for a radio button value?
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<fmcgeough> is there a good writeup that someone can recommend on the available GUI Ruby frameworks for a straight app? (Windows, OS X, Linux). I'd like to bundle some things that I've written up for some support folks.
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<shevy> fmcgeough ruby-gtk
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<shevy> fmcgeough, http://ruby-gnome2.sourceforge.jp/?News_20120115_1 it is easy, but still quite a lot of work
<shevy> unless all you want to do is make simple hello world buttons
<fmcgeough> the last time I wrote a desktop app I used Eclipse RCP… so anything is going to be an adventure.
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<shevy> if you know ruby fairly well then all the toolkits will be quite similar anyway
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<dbgster> does the Ruby hash have something similar to array#collect/map?
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<parsifal_> I realize this is the wrong place to ask this, but I can't figure this out and can't find it online. Does anyone know which markup syntax this is? http://cl.ly/3w0R152W2a2s461C2c0I
<shevy> dbgster .map works on every member of an array. what would the .map version for a hash (with its key->value pairs) do?
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<shevy> hmm
<dbgster> it works on every member of an array, and returns a new array. so with a hash I guess it would work on the values of each key no?
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<shevy> why not the keys?
<shevy> I am a bit confused right now though
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<shevy> in my irb, hash seems to have a .map method
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<arturaz> it works on |key, value|
<arturaz> and returns an array
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<shevy> ah yes
<robacarp> parsifal_: to me it looks to be a markdown syntax with some custom addon
<shevy> {"i"=>7, "j"=>7, "d"=>4, "e"=>5, "c"=>3, "a"=>1, "b"=>2, "FgH"=>6}.map {|key, value| value * 2}
<parsifal_> robacarp: rats. Fucking Doctrine. thanks
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<shevy> # => [14, 14, 8, 10, 6, 2, 4, 12]
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<robacarp> o-o
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<dbgster> if I have a module that has a class, I normally refer to it by: MYMODULE::MyClass.new
<dbgster> is there a way to import a namespace?
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<robkinyon> import or alias?
<Mon_Ouie> You can include modules and get access to their constants
<matti> :>
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<dbgster> so just: include MYMODULE
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<Jay_Levitt> Any Sublime Text 2 users? I just updated from 2189 to 2190 on Mac and now ST crashes at startup when the Ruby package is installed.. and the sublime forum is down :/
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<Beakr> Ruby package? Doesn't Ruby come built-in?
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<Beakr> Jay_Levitt: I use Vim but I'm pretty sure ST should start normally if Ruby comes built-in like it did when I got it. You might want to find a ST channel if there is one more than the Ruby channel.
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<Jay_Levitt> Beakr: Nah, looked for a channel and no luck.. actually seems to be a package that updated, not ST itself - I just downrevved to 2189 and it still happens
<Beakr> Jay_Levitt: Could be a bug with the package update itself.
<Jay_Levitt> Beakr: Also true
<Beakr> Jay_Levitt: If you can uninstall the package maybe it would work.
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<Jay_Levitt> Beakr: Yeah, unfortunately I just pulled the two packages that Package Control mentioned updating and it's still crashing, might be something else tho
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<Beakr> Jay_Levitt: If it doesn't get patched or uninstalled you could consider reporting it.
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<Jay_Levitt> Beakr: Right - the hard part is figuring out what's crashing!
<Jay_Levitt> Beakr: Never have I been so happy that ST starts up quickly, tho :)
<frontendloader> http://bpaste.net/show/n7d4hePWN4BjgjM9FTmW/ having a build fail when I try to install ruby_debug
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<Beakr> Jay_Levitt: Yeah, it could be something different than just the package.
<workmad3> frontendloader: the error tells you the problem
<frontendloader> most of the time they do.
<Beakr> Jay_Levitt: Sadly I only have the 30 day trial. :P
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<frontendloader> I'm not sure how to fix this one, shouldn't gcc know about libpq-fe.h in /usr/include/postgresql?
<workmad3> frontendloader: that's not the problem
<workmad3> frontendloader: the error message says 'Can't handle 1.9.x yet'
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<frontendloader> oh, hell.
<frontendloader> are there any debuggers that can?
<workmad3> ruby-debug1.9 can handle 1.9.2 I believe
<workmad3> not sure about any 1.9.3 debuggers though I'm afraid
<Jay_Levitt> I've heard that pry can substitute as a debugger as well, hopefully it doesn't rely on ruby-debug for that tho
<Jay_Levitt> There are workarounds to get ruby-debug working on 1.9.3 but I haven't got it working with bundler yet, only manual gem instlals
<Beakr> Anyone know a gem or library that helps you write Vim plugins in Ruby?
<frontendloader> I just need to set a breakpoint in this rails app :/
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<workmad3> frontendloader: do you need a breakpoint, or do you just need to look at what's happening at that point?
<frontendloader> I don't feel like spamming logger() a bunch
<frontendloader> but it'll suffice if I can't get a debugger to work
<workmad3> frontendloader: you don't need to ... 'raise interesting_variable.inspect' at the point you want ;)
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<frontendloader> that works too, but I don't want it to die on the raise,
<workmad3> frontendloader: hmm... you're stuck with logging of putting 'debug var' statements in your view then
<workmad3> frontendloader: I quite like the stop-the-world of raising though, lets me focus on one variable at a time while tracking things down :)
<workmad3> frontendloader: and limits my view of the app to exactly the point I identified as currently of interest
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<frontendloader> I enjoy writing throw <expletive> to check if I'm hitting a block of code.
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<cpasmoi> Hi !
<oooPaul> 'lo.
<cpasmoi> I think two links from http://www.ruby-lang.org/fr/documentation/ruby-from-other-languages/to-ruby-from-perl/ are deads because of rubygarden.org
<cpasmoi> URL to the wiki and FAQ of the website
<zandt> you should try emailing from the website.... not sure who handles that, but I noticed that, too. (it's been dead a while)
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<cpasmoi> well I'm new to ruby, have to practice it in order to get a job but ok, i'll mail the webmaster
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<dbgster> so when I do: attr_accessor :some_att
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<dbgster> if I want this to be a hash, can I add: def some_att; self.some_att ||= []; end
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<dbgster> is that correct?
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<workmad3> dbgster: no... that would be infinite recursion
<workmad3> dbgster: also, [] is an array literal, not a hash literal
<dbgster> yes sorry {}
<workmad3> dbgster: doesn't stop the infinite recursion ;)
<dbgster> hehe…yes I was hoping you were going to correct me
<dbgster> removing the self?
<workmad3> dbgster: if I just correct you, you don't learn anything ;)
<workmad3> dbgster: especially in a language like ruby, where you can just open irb and play with code
<dbgster> uhm…how's that?
<dbgster> k
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<workmad3> dbgster: I'm a believer that an answer you work out for yourself is a better learning experience than one handed to you
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<dbgster> well I can just create a attr_writer
<shevy> dbgster but not when you want self.foo
<dbgster> then I need @foo
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<shevy> but really, the attr* aren't doing anything magical
<shevy> you can write ruby code without using them
<rippa> or you can write them yourself
<cpasmoi> Is there a way with Time Class to convert a time format "2012-01-12" to "12/Jan/2012" (the slash separator can be handled with regexp I guess) ? I only see the contrary (Time.utc (2012,"jan",12) => 2012-01-12
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<rippa> cpasmoi: Time#strftime
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<cpasmoi> thanks ! I'll look forward
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<SeanLazer> hey guys, i seem to remember that there's a way to have an instance of a class return something other than itself, like if you call @instance_of_class it would actually give you @intstance_of_class.to_s
<SeanLazer> did i dream that up or is that a thing?
<apeiros_> you have been dreaming
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<apeiros_> @ivar is an instance variable, as a variable, all it can ever do is reference an object.
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<apeiros_> so it will always evaluate to the object that has last been assigned to it
<SeanLazer> alright maybe i need help with an implementation strategy
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<SeanLazer> I have a simple settings class, similar to Settingsclass, but checks three sources (database, yml file, env vars) for the setting
<SeanLazer> i want to be able to call something like Settings.api_key and get the value of api_key
<SeanLazer> but also be able to call Settings.api_key.source and find out what the source is
<SeanLazer> (settings is a singleton)
<cpasmoi> thank you rippa that's exactly what I was looking for :)
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<apeiros_> SeanLazer: um, note that what you now just asked has nothing to do with your initial question. ivars and methods are largely unrelated (and Settings.api_key is a method)
<SeanLazer> oops, when i said similar to Settingsclass i meant similar to Settingslogic
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<apeiros_> if you want it to be that way, api_key must return an object that responds to .source, what's your problem with doing that?
<rippa> Settings.source.api_key
<rippa> would work for that porpoise without trickery
<SeanLazer> apeiros_: i know, i've jumbled this up in my head. i just used @ivar to represent something which had been set to an instance of a class. also in my first implementation i had .api_key returning an object
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<apeiros_> SeanLazer: you are being fuzzy - every value in ruby is an object.
<apeiros_> you can't return anything *but* an object
<SeanLazer> apeiros_: so i guess my question is this, how do i structure it so that Settings.api_key returns a string but Settings.api_key.source is also available? just dynamically add those methods to the string itself?
<SeanLazer> and yes i know i'm explaining this really poorly, imagine that i was a guy who understood ruby fairly well but hadn't eaten lunch yet ;)
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<apeiros_> SeanLazer: again, everything is an object, a string is an object too
<apeiros_> you can define additional methods on any object just fine
<SeanLazer> apeiros_: so that would be your approach if i wanted that interface?
<apeiros_> SeanLazer: *my* approach would probably be what rippa suggested
<apeiros_> but if you want *your* approach, then just extend the string you return with all the necessary methods & data
<apeiros_> see Object#extend, or alternatively, def obj.some_meth; …; end
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<apeiros_> also Object#define_singleton_method
<SeanLazer> apeiros_: i'm designing around a specific interface that i had in mind based on how i think other devs might use this code, i think it's more clear this way but maybe i'm wrong
<SeanLazer> i'll check out the documentation on that stuff, thanks
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<phantasm66> is there a class or core method that can tell me if a another process has a file "open"?
<maasha> How do convert a ruby array, passed to a C function as VALUE rb_ary, to a C array?
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<apeiros_> maasha: read README.EXT
<apeiros_> iirc it's a macro
<maasha> apeiros_: yeah, I am staring at this but cant quite locate it:http://www.eqqon.com/index.php/Ruby/Ruby_V1.9_C_Extension
<apeiros_> phantasm66: I don't think so. there might be gems that do that. probably not in a platform-agnostic way, though.
<apeiros_> maasha: that's not README.EXT.
<maasha> apeiros_: nope, but thats what I have been reading :o)
<phantasm66> ok.. thanks
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<delinquentme> what does a & do when attached to an argument?
<delinquentme> def merge_sort(&predicate) < example
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<rippa> delinquentme: passes argument as bock
<rippa> *block
<apeiros_> and calls .to_proc on it if necessary
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<norm> can i specify a gem source for a dependency in a .gemspec file?
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<apeiros_> norm: afaik, no
<apeiros_> it wouldn't make sense anyway
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<sako> hey guys, has anyone figured out the gcc issues with ruby and osx lion yet?
<apeiros_> sako: I think you can just install the gcc from kenneth reitz on github
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<sako> apeiros_: i see, i was reading kenneth's blog and was under the assumption that xcode command line tools does exactly what his packages did?
<sako> already have xcode command line tools installed
<apeiros_> ah, right, apple now provides gcc separately
<apeiros_> then I'd guess all you have to do is use the right gcc…
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<norm> apeiros_: i'm still differentiating gemspecs and gemfiles. i'm developing a home-grown gem that depends on another home-grown gem. in production, these come from an internal gem server. for development, should i just manually install the dependencies?
<apeiros_> norm: configure your rubygems for your custom source, not the gem
<apeiros_> alternatively, specify it in the gemfile
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<HektoR> hello guys... is there any ruby full text search engine like Lucene for java ?
<apeiros_> HektoR: afaik, there's ruby bindings for lucene
<apeiros_> and of course, with jruby you can use whatever exists for java
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<apeiros_> I think solr was the name of the ruby binding
<apeiros_> ah, no, it was ferret. but solr is relevant too in this context.
<HektoR> apeiros_: is jruby effecient ?
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<apeiros_> define efficient
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<apeiros_> it runs on the jvm and is well suited for server tasks
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<interopcop> can anyone suggest an Array funciton for removing an item from a sorted array (which is actually a set). here's my code: https://gist.github.com/2150809
<interopcop> I have assembled an Array of SoftwareRelease id's. I need to trim off id's which refer to SoftwareReleases which are before current
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<yxhuvud> interopcop: I suppose you are aware that there are already a set implementation you could use? require 'set'
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<interopcop> yxhuvud: so essentially if I make the Array a set, then I can still sort it and group it as I do, but at the end I can just return it as an array if the client expects an array in the interface?
<maasha> I want to define a slice method that takes arrays/ranges as arguments like slice([1], [2 ... 5]), but the range is not turned into an array?
<robkinyon> interopcop: why do you need it sorted while working on it?
<robkinyon> sorting seems to be a display requirement in your code
<interopcop> I sort and group it to get the last which is the release marker
<yxhuvud> interopcop: if it is a set, then it isn't sorted. (as far as the users of the set are concerned. implementation may differ).
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<interopcop> are you saying a set can't be sorted?
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<interopcop> sorry I'm new
<yxhuvud> intercop: I reacted to your claim that it was a set you were implementing. If you require it sorted then it probably isn't
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<interopcop> it's a set only in the sense that it doesn't contain duplicates
<interopcop> it contains the last SoftwareRelease in each major/minor group
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<robert_> shevy: lmao, Facebook wants me to be friends.. with myself! o.o
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<ddv> #facebook
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<robert_> ddv: I was just saying that. </end-of-offtopic>
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<nate_h> how would i require a gem with fqdn
<nate_h> instead of using the LOAD_PATH ?
<apeiros_> should I be pedantic and point out that the 'dn' in 'fqdn' stands for 'domain name'?
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<sandstrom> Is it possible to use rake-pipeline with 'asset pipeline'-style index.js files defining the load order (instead of using say minispades)?
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<nate_h> does anyone know how to provided the path to a gem in the require?
<nate_h> like require '/foo/bar/foo' ?
<apeiros_> rubygems uses Gem.path
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<apeiros_> not sure whether you can just manipulate it like $LOAD_PATH, but you can always just try and see what happens…
<nate_h> apeiros the problem i'm having is that within an app i'm extending its not allowing me to require gems
<nate_h> yet it works in irb
<apeiros_> (don't forget that you can't require a .gem file anyway)
<nate_h> and the Gem.path is correct
<apeiros_> not allowing you? how?
<nate_h> saying file not found
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<nate_h> sec, i'll pastie some stuff
<apeiros_> that's not quite the same as 'not allow'
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<nate_h> so the top is the output from my application
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<nate_h> in this case puppet
<nate_h> you see three notice statements
<nate_h> those are the Puppet.notice calls in the code
<nate_h> to print the Gem.path, $LOAD_PATH, and Gem.ruby
<nate_h> so the gem path looks fine because i can see the gems in that location
<nate_h> root@oZone1:/etc/puppet/modules# ls /var/lib/gems/1.8/gems/
<nate_h> builder-3.0.0 deep_merge-1.0.0 diff-lcs-1.1.3 hiera-0.2.1 hiera-puppet-0.2.1 metaclass-0.0.1 mocha-0.10.0 rspec-2.8.0 rspec-core-2.8.0 rspec-expectations-2.8.0 rspec-mocks-2.8.0
<nate_h> i had to append "gems" to the end
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<apeiros_> nate_h: wow, why does it not print the actual error message but only the backtrace?
<apeiros_> that's like superstupid and evil at the same time…
<nate_h> well err: no such file to load -- rspec
<nate_h> thats the error
<nate_h> i figured?
<nate_h> i ran my puppet in debug/trace mode to see that other stuff
<apeiros_> aaay, they… seriously write the backtrace first and THEN the error message?
<apeiros_> how stupid is that…
<apeiros_> thanks for pointing it out, I didn't see it
<nate_h> ya that's just the format they use I guess
<nate_h> anyways, this function works totally fine in another puppet server
<nate_h> diff os
<nate_h> so it has to be some kind of ruby pathing issue
<apeiros_> nate_h: please make a paste of the output of `gem env` and check, whether rspec is listed in `gem list`
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<apeiros_> nate_h: or permissions issue…
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<nate_h> apeiros_, if it were a permission issue what would I check? THis is running as root
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<apeiros_> well if you run as root, permissions issues are unlikely I'd say… what you'd check: whether you have read rights on the rspec.rb file in the lib dir of the rspec gem
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<nate_h> um
<apeiros_> ok, so that gem command matches up with the output of your other pastie, and rspec is listed in `gem list`?
<apeiros_> does `ruby -rrubygems -rrspec -e 'puts "hi"'` work?
<nate_h> that's a little odd
<nate_h> it didn't work as you pasted it, but it worked in irb
<apeiros_> nate_h: ah, I forgot, in 1.8 that wouldn't work
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<apeiros_> you'd have to do `ruby -rrubygems -e 'require "rspec"; puts "hi"'`
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<apeiros_> at least I think you had to… been a while since 1.8…
<nate_h> that worked
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<apeiros_> ok, odd then…
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<nate_h> indeed
<apeiros_> it's the same gem, the same paths, once it can load it, and once it can't…
<apeiros_> in irb, do $".grep(/rspec.rb/)
<nate_h> makes me want do punch something
<apeiros_> it should give you the full path to the required file, you can test there whether it is indeed a permissions issue
<apeiros_> I don't have any other ideas to offer atm…
<nate_h> irb(main):003:0> $".grep(/rspec.rb/)
<nate_h> => []
<nate_h> did i mess up syntax?
<apeiros_> hurr?
<apeiros_> no
<apeiros_> and $".last ?
<nate_h> irb(main):004:0> $".last
<nate_h> => "irb.rb"
<apeiros_> hu? you did require rubygems & rspec before you did that, yes?
<nate_h> oh no sorry
<nate_h> sec
<nate_h> haha
<apeiros_> ^^
<nate_h> irb(main):007:0> $".grep(/rspec.rb/)
<nate_h> => ["rspec/monkey/spork/test_framework/rspec.rb", "rspec.rb"]
<apeiros_> ah fuck, 1.8 didn't expand the paths in $"
<apeiros_> $:.grep(/rspec/)
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<nate_h> => ["/var/lib/gems/1.8/gems/rspec-core-2.8.0/lib", "/var/lib/gems/1.8/gems/rspec-expectations-2.8.0/lib", "/var/lib/gems/1.8/gems/rspec-mocks-2.8.0/lib", "/var/lib/gems/1.8/gems/rspec-2.8.0/lib"]
<apeiros_> nate_h: ok, /var/lib/gems/1.8/gems/rspec-2.8.0/lib/rspec.rb is the file I'd say
<nate_h> btw this happens for ANY gem i require
<apeiros_> nate_h: did you try the ruby -rrubygems -e with root?
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<nate_h> i am root
<nate_h> it all works fine via the command line
<apeiros_> ok, just to rule out a difference with different users
<nate_h> cause the app is running as root too
<apeiros_> does the app fork under a different user?
<nate_h> checking
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<nate_h> holy shit
<nate_h> i run it as root and it runs at puppet
<nate_h> second, i may have found the issue
<nate_h> fucking ubuntu
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<apeiros_> ok, I guess you've found a likely cause :)
<nate_h> hmm first fix didn't work, trying next one
<nate_h> hmm nope
<nate_h> trying next fix
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<nate_h> ok i 755 all the gems and dirs
<nate_h> and no luck
<apeiros_> :-/
<apeiros_> does the ruby -r work when you run it as puppet?
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<kgraham> is this the right channel for ruby mysql2 library
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<kgraham> hello, I'd like to run this query using a ruby gem, i've tried mysql2, but it doesn't return what i get from mysql cli client
<kgraham> the CONCAT's don't run
<kgraham> what is the best mysql client library i guess is what I'm asking
<Spaceghostc2c> mysql2
<kgraham> tried that, i must be using the result object incorrectly
<kgraham> i have to xform the result into a csv,
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<ridders24> can anyone help me with how to write a script to seach for part of a file name in directories
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<ScottNYC> any ideas? I ran $rbenv install 1.9.3-p125 ..then getting error : "checking whether the C compiler works... no
<ScottNYC> configure: error: C compiler cannot create executables. See `config.log' for more details"
<Spaceghostc2c> Install a working compiler.
<ScottNYC> and I hace excode installed with CLI tools
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<ScottNYC> gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)
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<y3di> hi guys, im getting an error at line 15 and I have no idea why: https://gist.github.com/2152502
<y3di> am i doing the slim templating wrong?
<y3di> the error is at the second = sign
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<oooPaul> What's the error?
<y3di> oh did i forget the require....
<fowl> y3di: dont you need to __END__ so that's not processed by ruby
* oooPaul doesn't do Sinatra, so anything I suggest is just guessing.
<fowl> looks like that's the problem
<y3di> idk, I'm new to ruby, ill try that fowl
<y3di> it was an 'unexpected tIDENTIFIER' btw
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<y3di> thanks that worked fowl
<fowl> y3di: __END__ tells ruby to stop reading the script there, anything below that is available as __DATA__
<fowl> no problem y3di
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<y3di> NoMethodError at / undefined method `slim' for <app>
<y3di> I have the slim gem installed and I require slim so idk why im getting that error during runtime
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<y3di> anyone know why I might be getting a NoMethodError for slim at line 5? : https://gist.github.com/2152669
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<TTilus> ridders24: find -name '*partofafilename*'
<TTilus> ridders24: no?
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<swarley> i see String#tr in the rdoc, (assuming it behaves like perl's tr/A-Z/Z-A/) but I do not seem to have the method available to use. Trying in pry using ruby 1.9.3
<apeiros_> swarley: how did you try?
<swarley> i tried show-doc String.tr
<burgestrand> swarley: show-doc String#tr
<apeiros_> I mean how did you try to *use* it
<epochwolf> does ruby use the quicksort algorithm for Enumerable#sort_by ?
<swarley> ah
<swarley> i feel silly now
<apeiros_> epochwolf: I think so
<epochwolf> fuck fuck fuck fuck
<swarley> it seems to produce different results
<swarley> at first it was a no method error, i thought
<apeiros_> epochwolf: why's that fuckfuckfuck?
<TTilus> epochwolf: come down...
<apeiros_> even quadruplefuck
<burgestrand> epochwolf: yes it does
<epochwolf> apeiros_: quicksort isn't stable
<burgestrand> epochwolf: just attach the index before sorting
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<apeiros_> epochwolf: ah
<apeiros_> yeah, sort makes no promises about stability
<apeiros_> neither does sort_by
<epochwolf> burgestrand: yeah, I'll have to sort_by with a hash.
<epochwolf> errr array
<apeiros_> so even if it was stable, you should not rely on it
<epochwolf> apeiros_: this application is locked on 1.8.6 and will be until the end of time.
<apeiros_> ary.with_index.sort_by { |v,i| [criterion(v), i] }
<burgestrand> ^
<epochwolf> apeiros_: yes, yes, yes, I know :)
<apeiros_> oh, then no .with_index, but you can zip
<apeiros_> epochwolf: you should reduce the energy drinks, you're hypering :-p
<y3di> anyone know why I might be getting a NoMethodError for slim at line 5? : https://gist.github.com/2152669
<burgestrand> y3di: you have slim required?
<burgestrand> nvm
<burgestrand> I fail at reading
<burgestrand> :d
<epochwolf> apeiros_: forms.sort_by(&:name).sort_by(&:sequence) should be form.sort_by{|f| [f.sequence, f.name]}
<burgestrand> y3di: post your error
<y3di> NoMethodError at / undefined method `slim' for <app>
<apeiros_> epochwolf: um, no
<epochwolf> no?
<apeiros_> that's different, even with stable sort
<burgestrand> y3di: *shrugs* did you try requiring slim before sinatra?
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<burgestrand> I mean, hopefully makes no difference, but it might
<epochwolf> apeiros_: how so?
<apeiros_> ["a",1], ["b",0]
<y3di> ill tyr that
<apeiros_> with sort_by chained, that'll be b first, then a
<apeiros_> ah
<apeiros_> oh, you inverted… wait
<apeiros_> but still, it's not the same
<apeiros_> I just need to adapt my example
<epochwolf> apeiros_: I need my forms sorted by sequence, and then alpha by name if the sequence is the same.
<apeiros_> well, why don't you just use the latter form anyway?
<epochwolf> apeiros_: I am
<apeiros_> no, you're right, with stable sort it's the same
<apeiros_> *it'd be
<y3di> burgestrand: yea didn't help
<epochwolf> apeiros_: see, I'm not an idiot. :)
<apeiros_> epochwolf: there was a 95% chance…
<epochwolf> that I was?
<apeiros_> with a tendency of becoming a 98% chance…
<apeiros_> yes :)
<epochwolf> apeiros_: thank you :D
<apeiros_> oh, that's related to general demographics and probability ;-p
<y3di> apeiros_ & epochwolf: do you guys have any suggestions for me?
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<apeiros_> y3di: given that I use neither slim nor sinatra - no
<epochwolf> y3di: non-sarcastic ones only I assume?
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<y3di> epochwolf: yea =/
<epochwolf> rather, I only have sarcastic ones
<jangell> I'm trying to find a gem for forking workers with a pool of jobs….and I need some way for them to send data back to the parent…any tips?
<y3di> epochwolf: actually go for it anyways
<epochwolf> y3di: use rails :P
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<Spaceghostc2c> It's easy to refactor after rails, just replace it with padrino on jruby.
<y3di> epochwolf: bah, i think i'll stick with python. If only I didn't have to TA this webware class that uses ruby =/
<epochwolf> Spaceghostc2c: you are evil. I like you.
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<Spaceghostc2c> :D
<vikingly> Hi! I have some methods that return a value hash of the same format. Is there a best practice better than just returning a hash? Ex. of hash returned from methods: { :quantity => 0, :price_per => 0, :subtotal => 0, :service_fee => 0, :trans_fee => 0, :total => 0, :currency => 'USD' }
<Spaceghostc2c> y3di: Yeah, sometimes having only one way to do things is fun.
<Spaceghostc2c> Notreally, but I'm trying ot be nice here.
<epochwolf> vikingly: use a class?
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<vikingly> epochwolf: I am considering that. Should I just use a plain class or is there a best practice on an API in the class (e.g operators implemented)?
<y3di> Spaceghostc2c: i use clojure and php too =p
<epochwolf> vikingly: there is an OpenStruct in the standard library if you just want to wrap a hash
<Spaceghostc2c> y3di: You poor mortal.
<y3di> Spaceghostc2c: xD
* Spaceghostc2c is a ginger. :(
<epochwolf> y3di: you are dead to me.
<y3di> Spaceghostc2c: used php*
* epochwolf makes out with Spaceghostc2c instantly.
* Spaceghostc2c gets brolested and likes it
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<y3di> anyone know why I might be getting a NoMethodError for slim at line 5? : https://gist.github.com/2152669
<shadoi> y3di: never used it, but do you need to enable it in the sinatra settings?
<vikingly> epochwolf: thanks
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<shadoi> y3di: or maybe you have an old version of sinatra, has to be >= 12
<shadoi> 1.2*
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<y3di> shadoi: omg, that might be it
<any-key> hex stuff in ruby is driving me mad
<any-key> say I have the number -200, which as a 16 bit signed integer is 0x38FF
<epochwolf> vikingly: you're welcome
<shadoi> any-key: I recommend PacketFu::StructFu for handling that shit, made my life a lot easier.
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<any-key> [-200].pack('s') is supposed to convert this to a 16 bit signed int, but it gives me "8\xFF"
<any-key> shadoi: I'll check it out
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<any-key> pack is lying to me, though
<shadoi> pack is weird
<any-key> no kidding
<apeiros_> any-key: and guess what "8" is
<apeiros_> hint: "8" == "\x38"
<any-key> bah!
<any-key> no...ascii 8 is \x08
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<apeiros_> but you don't *have* ascii 8
<apeiros_> you have "8", which is ascii 56, which is 0x38
<shadoi> hehe
<any-key> 8 is 8 in ascii
<apeiros_> omg, get a clue
<apeiros_> any-key: yes, now take a really close look at that table
<apeiros_> it says exactly what I just said.
<any-key> aghhh
<any-key> thanks...I should stop skimming things
<any-key> >.<
<apeiros_> great, you stopped fighting the evidence :-p
<any-key> I looked into it before asking here, saw that first 8 and was like "wtf"
<apeiros_> but yes, of course dec 8 is hex 8 :-p
<arphen> can d=file.open("/etc/.vimrc") ; d.puts("blabla");d.close();d=file.open("/etc/.vimrc/");s=d.gets() ever fail?
<arphen> i.e: writing something to a file and immediately reading it?
<arphen> because i think that's happening to me
<apeiros_> arphen: a) use block form of open
<apeiros_> b) really, if you paste code, CASING MATTERS, don't short-cut it, you just confuse everybody
<arphen> i just typed it out...
<arphen> does the block form do anything else than "close"?
<apeiros_> it ensures the close, which you don't
<arphen> you mean in case of an exception?
<apeiros_> for example
<arphen> meh... my basic question stands. if i call file.close() and it succeeds, will the write be carried out before any sequential reads?
<apeiros_> it should
<apeiros_> ruby builds on the OS' API, so it really depends on that
<arphen> :(
<arphen> i hate these bugs
<apeiros_> I only hate bugs I don't get paid to fix :-p
<shadoi> arphen: you're still at the mercy of the OS filesystem buffering, etc.
<Spaceghostc2c> apeiros_: I actually enjoyed that working with unix books.
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<Spaceghostc2c> s/s//
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<arphen> yeah you may go ahead and laugh at me now shadoi
<arphen> :D
<arphen> but i think i found the course
<arphen> s/course/cause
<shadoi> arphen: I'm not laughing, but I did tell you so. ;)
<arphen> s_s/course/cause_s/course/cause/_
<apeiros_> of course you found the cursed cause
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<arphen> i was just using old data instead of properly refreshing it
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<arphen> i am pleased by the amount of stuff im learning right now
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<arphen> this internship was a splendid idea
<arphen> i can work whenever i want, wherever i want
<shadoi> arphen: maybe this is the pain your manager was trying to get you to learn by forcing you to use files. Or maybe he's just dumb. :)
<arphen> i have my own project, lots of time and i already got paid
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<arphen> plus it's the last missing piece for my degree :)
<arphen> next week i'll be looking into jQuery
<arphen> i enjoy web dev since there is no such thing as "overly paranoid" in web dev
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<Spaceghostc2c> paranoid in what fashion?
<Spaceghostc2c> This sounds like a very slick slope.
<any-key> as long as you're paranoid in the right way it's good
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<arphen> it's not paranoid if they are out there
<arphen> just kidding, i mean the whole security stuff, man in the middle etc, having to think before you store passwords and how you store passwords
<arphen> i'm doing most stuff by hand so i'm implementing challenge response salt codes etc
<any-key> doing stuff by hand can be dangerous :P
<arphen> i also know that... im not re implementing sha or rsa
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<any-key> haha
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<any-key> is there some cool syntax for a single line function definition?
<any-key> I have a bunch of lines that just do @serial.write(asdfasdf)
<any-key> and I know about semicolons :P
<apeiros_> no. there's just the ordinary "use ; instead of newline"
<apeiros_> or "use unambiguous syntax"
<apeiros_> e.g. `def foo() "bar" end` is valid
<any-key> maybe there's a way cooler way of doing this: I have a bunch of constants that define opcodes, and the class I'm writing has a function that sends each opcode
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<any-key> so it gets kind of tedious, but I want the end result to be class.opcode rather than something like class.mode(opcode)
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<any-key> well, nah, I'll just use that second method for it
<apeiros_> you can use metaprogramming to let ruby create your methods for you
<arphen> it is higher level wizardry
<any-key> yeah...I suppose I could do that
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<any-key> that involves a metaclass, doesn't it?
<any-key> I never understood those
<TTilus> doesnt have to
<any-key> what would be the cool way of going about this?
<any-key> I have an array of opcodes, and I want to iterate through and add a method for each based on a proc
<vikingly> I am using a class to return values (Ex. https://gist.github.com/9bfd99af5ad76f81c0d5 ). How do I redefine the += operator on this class? For A+=B I'd like += to add attributes in all attributes in AMOUNT_CALC_ATTRIBUTES from B to A, and fail if an attribute is not defined in A or B.
<TTilus> share your non-cool way so we'll what you are up to
<TTilus> any-key: "based on a proc"?
<any-key> TTilus: I just have a bunch of constants, like "START" which each have a function in the class such as Roomba::start
<any-key> TTilus: ignore that
<vikingly> epochwolf: what do you think about https://gist.github.com/9bfd99af5ad76f81c0d5?
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<TTilus> any-key: def method_missing(method); Roomba.send method; end
<TTilus> any-key: ?
<epochwolf> vikingly: you recreated OpenStruct?
<any-key> method missing is a bit slow, though
<TTilus> any-key: why not just have the methods?
<any-key> TTilus: there's quite a few opcodes
<vikingly> epochwolf: I'd like to add a += operator and I'd like to fail if all attributes in AMOUNT_CALC_ATTRIBUTES are not defined, which is why I choose class instead.
<any-key> TTilus: define_method should do the trick
<epochwolf> vikingly: that work
<epochwolf> s
<TTilus> any-key: but you'll have the opcodes as methods, it really doesnt make any difference if they are hardcoded or define_method-generater
<Mon_Ouie> There's no += operator in Ruby. a += b expands to a = a + b
<shadoi> vikingly: assignment operators are not user-definable unfortunately.
<Mon_Ouie> So you just have to define the + method
<TTilus> any-key: or is there something you arent stating
<any-key> TTilus: I'm too lazy to type out all of these methods, it'll make my code look cleaner
<TTilus> any-key: good argument
<TTilus> any-key: just all_opcodes.each { |opcode| define_method(opcode) { ...whatever you do... } }
<any-key> yeah, that's the idea
<vikingly> shadoi: Mon_Quie: epochwolf: any suggestions on best practices to defining += equivalent semantics between two objects?
<TTilus> vikingly: define +
<vikingly> TTilus: the idea was to avoid object creation. Should I not worry about that?
<shadoi> vikingly: I usually just define +, and << for set/array-like things.
<TTilus> vikingly: i dont know if your objects are particularily heavy to create, u tell me
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<Mon_Ouie> You can create another method like merge or << if it's a problem
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<vikingly> TTilus: I usually error on the side of allocating very few temporary objects as I don't want to be too reliant on the garbage collector. In this case I'll sum over an array of objects. However, the array will usually be less than 100 in size.
<TTilus> how would one be "too reliant on the gc"?
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<TTilus> you mean "need to gc too much"?
<TTilus> or do you expect gc to fail somehow?
<vikingly> yes, need to gc more objects than strictly necessary.
<TTilus> just profile your memory usage and see if the solution you use "needs gc more objects than strictly necessary"
<TTilus> whatever that is
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<RubyPanther> vikingly: as said += doesn't mean that in Ruby, but << is usually the equiv. mutator
<vikingly> RubyPanther: TTilus: I am programming up two solutions now, and I'll test them both up. '<<' with the equiv semantics to +=, and overloading of the '+' operator.
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<CannedCorn> what is the best way to have a default and a minimum value for an opt
<CannedCorn> @var = opt.fetch(:var, default)
<CannedCorn> @var = min if @var < min?
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<CannedCorn> or is there a cleaner way to write that code
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<apeiros_> looks fine
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<apeiros_> if you want to do an arguments check on opt, you can use delete with a block instead of fetch
<apeiros_> but don't forget to dup opt before you start deleting stuff (mutating arguments is rude)
<CannedCorn> apeiros_: could you explain a bit more
<CannedCorn> why is that rude?
<apeiros_> because a user doesn't expect a method to modify something you pass to it
<apeiros_> a method should generally only modify the receiver
<apeiros_> (i.e., self)
<CannedCorn> got it
<CannedCorn> hrm so why not simply pass a block to fetch?
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<apeiros_> as for args checking, it'd go like: def foo(opts={}); opts=opts.dup; some_opt = opts.delete(:some_opt) { default }; raise "Invalid options: #{opts.keys.inspect}" unless opts.empty? …
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<apeiros_> because if you delete the option, you can check in the end whether there's unknown keys left, as seen above
<CannedCorn> yep
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<CannedCorn> ah because and passes in the key
<apeiros_> alternatively you can of course just do: unknown_keys = opts.keys-known_keys; raise … unless unknown_keys.empty?
<shadoi> I usually don't modify opts at all, I do something like: opts.each {|k,v| self.send("#{k}=", v) if valid_opts.include?(k)
<shadoi> and then for assignment defaults: @opt1 ||= "default"
<shadoi> missed my last } on that iterator
<CannedCorn> oh wait, but i want to implement a minimum if fetch/delete do return something
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<apeiros_> CannedCorn: that part doesn't change ;-)
<apeiros_> yours is fine there already
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<vikingly> TTilus: RubyPanther: I benchmarked both solutions (https://gist.github.com/9f853b237d0207996d92#comments), and overloading '+' is way faster.
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<davidcelis> CannedCorn: back when I had a radio show in college, I had a listener that would come into chat as "tastytastycorn" and make trollish phone calls
<CannedCorn> right, but there is no way to do it on one line
<CannedCorn> that wasn't me davidcelis
<CannedCorn> sorry
<davidcelis> I know
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<davidcelis> I just wanted to tell you that story
<CannedCorn> haha or was it?
<davidcelis> It wasn't
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<CannedCorn> ok ok
<davidcelis> lol
<CannedCorn> it just sems like i should be able to do some fancy logic
<CannedCorn> in one line that says
<CannedCorn> try to get the value of this key, default is this, min is this
<CannedCorn> or maybe the way i wrote it was optimal
<CannedCorn> just seemed janky
<vikingly> TTilus: RubyPanther: shadoi: Thank you for the pointers.
<RubyPanther> vikingly: your benchmark is badly broken and doesn't tell you anything
<RubyPanther> in one case you throw away the result, and in the other, you concatenate the results
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<RubyPanther> well, or whatever happens to it
<RubyPanther> and << isn't supposed to just call foo= it is normally supposed to be able to change the object data directly, where that is possible
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<RangerMauve> Hey, can somebody tell me what part of the page in the WebForm redirects to /save? http://www.igvita.com/2007/02/13/building-dynamic-webrick-servers-in-ruby/
<RangerMauve> I mean /submit
<RangerMauve> No wait, it is /save. >.<
<vikingly> RubyPanther: Thanks. I did some changes to address those concerns: https://gist.github.com/9f853b237d0207996d92
<vikingly> RubyPanther: But I don't know how to make << change object data directly
<swarley> what are you trying to do
<swarley> okay so
<swarley> why
<swarley> attr_accessor *AMOUNT_CALC_ATTRIBUTES
<swarley> what am i missing there
<swarley> shouldnt that be a symbol?
<apeiros_> no
<swarley> oh
<swarley> i see
<swarley> i feel stupid
<apeiros_> AMOUNT_CALC_ATTRIBUTES should be an array of symbols (or strings)
<swarley> yeah
<swarley> i saw it after i said it
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<apeiros_> also, variables vs. objects
<apeiros_> a symbol is an object, a constant is a variable
<vikingly> swarley: I am returning the same set of numbers from multiple methods. I am defining a class that holds those return values and overloads the + operator.
<apeiros_> (even if it sounds contradicting)
<swarley> i see
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<apeiros_> iow, everything you can assign to is a variable. you can't assign to a symbol. :foo = 1 # not possible
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<swarley> no
<vikingly> also, + will fail if one or more of the AMOUNT_CALC_ATTRIBUTES are not defined. I liek failing early.
<swarley> apeiros_, im not confused about that
<swarley> i just over looked the contents of the constant
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<vikingly> RubyPanther: another flaw of my benchmark is that it does not really measure the cost of gc as it is a short-running program, and it does not measure peak memory usage.
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<arphen> i still couldnt figure out
<arphen> how do i view a file's size on the command line in human readable format?
<arphen> on gnu/linux
<apeiros_> arphen: du -shx path
<arphen> thanks
<arphen> you're a genius!
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<RubyPanther> vikingly: https://gist.github.com/39d1ac550acf4e6380f1 This is normally what the difference is, here using array which does have a proper << mutator
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<vikingly> RubyPanther: thanks. That is the same result I got in my improved gist. With strings '+' is faster in this particular benchmark, and '<<' is faster with numbers.
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<RubyPanther> vikingly: In the one I gave with << used correctly (on arrays) it should be quite a bit faster than +
<MauvePussy> RubyPanther: http://pastie.org/3644578 it should work, no?
<RubyPanther> Note that on numbers... 3 << 4 gives 48 and 3 + 4 gives 7 :)
<swarley> [59] pry(main)> k = Fabulous.new("Hello world")
<swarley> => "ＨＥＬＬＯ ＷＯＲＬＤ"
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<swarley> this seems useless to have made
<swarley> but it makes me happy
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<RubyPanther> swarley: does it play nice with Term::ANSIColor ??? Fabulous.new("Hello World").red.blink
<swarley> RubyPanther, idk i made my own colorizer, so i dontt have that installed
<swarley> but i can see
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<rdesfo> hello
<rdesfo> I keep getting an error with guard and rspec git://gist.github.com/2154113.git
<davidcelis> Can you paste the actual gist link, and not the one to clone it?
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<mikeliss> Is there a trick to make gsub not treat its arguments as regexes?
<oooPaul> Don't put them in /'s?
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<oooPaul> "foobar".gsub("oo", "i") => "fibar"
<RangerMauve> SO, how would I make a simple form that sends a POST to a WEBrick servlet?
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<davidcelis> "blah \d".gsup(" \d", "") # => "blah"
<davidcelis> gsub*
<oooPaul> "mr.rum".gsub("r.", "x") => "mxrum"
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<mikeliss> OK, so just using double paren? Wait, I'm not sure I follow.
<mikeliss> grr, and by parens, I mean quotes.
<mikeliss> This is what I currently have: text.gsub(from.to_s, to.to_s)
<RangerMauve> What he's doing there is specifying a string instead of a regex, and it looks for that combination of characters, and subs it with the second argument
<oooPaul> Compare: "mr.rum".gsub("r.", "x") => "mxrum" "mr.rum".gsub(/r./, "x") => "mxxm"
<oooPaul> What makes you think "from.to_s" is being evaluated as a regular expression?
<mikeliss> oooPaul: It didn't seem to be matching when I thought it should. It has a value that includes dots, so I figure that might be the cause.
<mikeliss> Sounds like that ain't it.
<oooPaul> Dump "from.to_s" to a console and see what you're *actually* getting?
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<mikeliss> oooPaul: Not a bad idea...this helps, thanks.
<oooPaul> Is from a Regexp object to begin with?
<oooPaul> A regex object converted to a string is not likely to give you what you want.
<oooPaul> Example: /foo/.to_s => "(?-mix:foo)"
<swarley> RubyPanther,
<swarley> [3] pry(main)> String.color_set :IRC; nil; puts Fabulous.new("Hello world!").red
<swarley> ＨＥＬＬＯ ＷＯＲＬＤ!
<mikeliss> oooPaul: Naw, it's coming from an XML file, not a regex.
<shadoi> buhleted.
<oooPaul> mikeliss, Ah. You may have some escaped characters or something in there that you're not expecting.
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<mikeliss> oooPaul: Yeah, about to find out.
<oooPaul> If the first parameter to gsub isn't a Regexp object, it should just be doing a straight-up text replace.
<mikeliss> oooPaul: Crap - it's a misconfiguration. Code was fine, but your tip was the one that counted.
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<arphen> suppose i have many instances of a script running which each need to manipulate a file, possibly simultaneously. what's the general solution?
<oooPaul> :D
<oooPaul> When in doubt... puts debugging FTW. :)
<oooPaul> arphen, file locking.
<oooPaul> ri File#flock
<arphen> ok thanks
<swarley> this class feels dumber by the second
<arphen> whyu?
<swarley> because
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<swarley> [10] pry(main)> puts Fabulous.new(Lolcat.translate("Hello world"))
<swarley> ＯＨ ＨＡＩ, ＷＯＲＬＤ
<swarley> i also made an lolcat translator
<otters> pretty sure it's "ohai"
<zandt> swarley, lol
<CombatWombat> swarley: Wat :D
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<otters> might be a dialectic thing
<disappearedng> I have a = { "foo" =>"cat" } how can I assign it to a variable so that a.foo = cat?
<zandt> gonna try to compile ruby 1.9.3 in ubuntu 10.04 again tonight.... out of curiosity, has anyone been successful ?
<otters> sounds like an openstruct problem
<CombatWombat> disappearedng: define_method in ruby.
<swarley> ＩＴ ＤＯＥＳＮＴ ＭＡＴＴＲ ＭＵＣＨ Ｔ ＭＥ, ＩＴＳ ＪＵＳ ＩＭＰＯＲＴＡＮＴ ＩＴ ＬＯＯＫＳ ＬＩＥＫ ＬＯＬＣＡＴ ＳＰＥＫＫ ＴＢＨ
<oooPaul> disappearedng, require 'ostruct'; foo = OpenStruct.new(a); foo.foo => cat
<swarley> you can use my module :D
<CombatWombat> ^That works too
<oooPaul> otters gets the credit. I just went verbose. ;)
<arphen> yes just use the lolcat module
<CombatWombat> I'd possibly use a lambda maybe.
<arphen> for everything
<fowl> swarley: link?
<CombatWombat> I don't always code, but when I do, I make sure it's in lolcat.
<swarley> require 'rubyserif'; k = JavaScript::Object.new({"foo" => "cat"}); k.foo
<swarley> oh
<arphen> get forth
<swarley> for lolcat?
<arphen> write program in lolcat
<swarley> i need to fix i bug i think
<fowl> write a lolcat in ruby
<arphen> puts "a lolcat"
<arphen> done
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<arphen> on the serious side, i like ruby better every day
<swarley> fowl, the gem for the lolcat i made is lulzcatz
<swarley> because lolcat is taken by that program that makes rainbow text..
<swarley> i dont see the relationship really.. but whatever
<Gekz> cat, the concatenation program
<Gekz> in a lol way.
<Gekz> that's the relationship.
<fowl> lol
<fowl> cool
<davidcelis> fowl: gem install lolcat
<swarley> no
<swarley> gem install lulzcatz
<swarley> #1
<swarley> lol
<davidcelis> $ ls -al | lolcat
<davidcelis> profit
<swarley> no
<swarley> my lolcat actually makes lol cat text :[
<swarley> not rainbow text
<davidcelis> sux
<Ontolog> any way to get a stacktrace when ruby itself crashes?
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<swarley> uhh
<swarley> yeah it prints it all
<swarley> lol
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